2021年9月
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最近のトラックバック

カテゴリー

  • Number Place Checker
    With the ability to calculate (quantify) Sudoku's difficulty, to identify if there are multiple solutions, and to determine if there is a solution, 'for people making sudoku' Useful tools ".
  • Número Place Checker
    Con la capacidad de calcular (cuantificar) la dificultad de Sudoku, para identificar si hay varias soluciones y para determinar si existe una solución, 'para las personas que hacen sudoku' Herramientas útiles ".
  • R2o式 いくら?
    海外に買い出しに行ったときに、現地の通貨と換算結果を同時に表示する電卓アプリです。 サンビスタと呼ばれる方に使いやすいように、履歴を残したり、メモを残す機能をつけています。
  • R2o式 トイレ紙 最安値!
    トイレットペーパーを買うときに、値段の安い方を買ったら1ロール当たりの長さが短かった…という経験はありませんか? 1ロールの長さを加味して、どっちがお得かをメモして比較するスマホアプリを作っています。
  • R2o式 出欠管理表
    メンバーの出欠予定や出欠履歴を把握する必要のあるサブパートリーダーに便利な「出欠管理表」という無料アプリの作者が情報をを展開します。
  • R2o式 持ち物リスト
    お出かけの際の「忘れ物」をなくすために、目的や地域に合わせた持ち物チェックリストを提供するツールです。 お出かけ入力画面で、交通手段や期間や目的を入力して[リストを出力]ボタンをタッチすると、地域や目的に合わせた持ち物チェックリスト画面が出ます。すべてにチェックして「さぁ、出発だ!」
  • R2o式 数独チェッカー
    数独®/ナンプレ®の難易度を独自算出(数値化)し、複数解や無解答の判別ができる「ナンバープレースを作る人に便利なツール」の開発者による情報展開です。
  • R2o式わりかん電卓
    男女別/お酒ノンアル別/大人学生別/などの集金金額を瞬時に算出する幹事さん必携のわりかん電卓作者が最新情報を展開します。
  • 携帯・デジカメ
  • 日記・コラム・つぶやき
無料ブログはココログ

他の「R2o式 便利ツール」

Number Place Checker

With the ability to calculate (quantify) Sudoku's difficulty, to identify if there are multiple solutions, and to determine if there is a solution, 'for people making sudoku' Useful tools ".

2021年8月 9日 (月)

Sudoku Checker: Case study: Live Sudoku (@live_sudoku) difficulty was 330(396).

This Hard Sudoku introduced by "Live Sudoku" (@live_sudoku) has a difficulty level of 330 by the Sudoku checker.

https://twitter.com/live_sudoku/status/1423966137033822208

Estimated difficulty level:
100-Easy,
200-Medium,
300-Hard
"Sudoku Checker" is a free smartphone app.
https://apps.apple.com/app/id1458321132#?platform=iphone
Download from App Store
#Sudoku #Difficulty #Judgment #NumberPuzzle
Img_20210809_104703

2021年8月 5日 (木)

Sudoku Checker: Case study: Live Sudoku (@live_sudoku) difficulty was 196(216).

This Hard Sudoku introduced by "Live Sudoku" (@live_sudoku) has a difficulty level of 196 to 219 by the Sudoku checker. This is a question that even beginners can enjoy.

https://twitter.com/live_sudoku/status/1422516815025086466

Estimated difficulty level:
100-Easy,
200-Medium,
300-Hard
"Sudoku Checker" is a free smartphone app.
https://apps.apple.com/app/id1458321132#?platform=iphone Download from App Store
#Sudoku #Difficulty #Judgment #NumberPuzzle

Img_20210805_204222

2021年3月27日 (土)

Sudoku Checker: Case study: Live Sudoku (@live_sudoku) difficulty was 437(651).

The contents of the self-made Sudoku® questions may be "worried correctly?"

At that time, a verification tool was created.
As the "degree of difficulty" is calculated in parallel in the judgment logic at the time of verification,
In order to confirm the validity of the number, I am using "hard sudoku" found on the Internet.

When I examined the question of “Live Sudoku (@live_sudoku)”, I got the following result:
Difficulty: 437
( https://twitter.com/live_sudoku/status/1375405376208785408/photo/1  )
This is a difficult question.

"Sudoku Checker" is a free app that can be used on the iPhone / iPad.
https://apps.apple.com/app/id1458321132
Please download it from the App Store and use it.
Img_20210327_170007

2019年10月21日 (月)

Sudoku with multiple solutions.

This Sudoku introduced by “Sudoku Gen” on Twitter was “There are multiple solutions” in “Sudoku Checker”.
https://twitter.com/sudokugen_bot/status/1186076373288247301
* “Sudoku Checker” is a free app that checks your Sudoku. You can check the following:
-Is there only one solution?
-How difficult is it?
https://apps.apple.com/jp/app/id1458321132
Download from App Store
Img_20191021_151853

2019年6月21日 (金)

Sudoku Checker: Case study: @15npken's ★ super-advanced (master) difficulty was 540.

The contents of the self-made Sudoku® questions may be "worried correctly?"

At that time, a verification tool was created.
As the "degree of difficulty" is calculated in parallel in the judgment logic at the time of verification,
In order to confirm the validity of the number, I am using "hard sudoku" found on the Internet.

When I examined the question of “@15npken's ★ super advanced (master)”, I got the following result:
Difficulty: 540
( https://twitter.com/15npken/status/1141658523111059456 )
This is a difficult question.

"Sudoku Checker" is a free app that can be used on the iPhone / iPad.
https://apps.apple.com/jp/app/id1458321132
Please download it from the App Store and use it.
Img_20190621_100805

2019年6月20日 (木)

Sudoku Checker: Usage example: "@nsoga0416" The difficulty level of the introduction was 509.

“Sudoku Checker”, an R2o convenient tool, is an application for checking whether or not a self-made Sudoku® puzzle can be solved.
At the time of verification, the "degree of difficulty" is calculated by a unique calculation method.

As a result of examining the question introduced by "@nsoga0416" 's Twitter "It seems to be the world's hardest sudoku", the "degree of difficulty" was 509.
(Sorry to use it without permission)

It is quite a difficult task.
( https://twitter.com/nsoga0416/status/1141261307628285952 )

"Sudoku Checker" is a free app that works on iPhone / iPad.
https://apps.apple.com//app/id1458321132
Download it from the App Store and use it.
Img_20190620_113044

Sudoku Checker: Usage example: The difficulty of the super-advanced (master) of the @15npken is 699

We introduce actual question verification information in "Sudoku Checker" which is a convenient tool for verifying whether "Shudoku" made by yourself is "unsolvable".

The results of verifying @15npken's Twitter questions were:
-Degree of difficulty: 699
( https://twitter.com/15npken/status/1141301760780193794 )

The calculation method of the difficulty of "Sudoku Checker" of R2o type convenient tool is as follows:
- Cells found simply: +1
- Need a little twist: +10
- Need hypotheses to test: + α

"Sudoku Checker" is a free iPhone / iPad app.
https://apps.apple.com/app/id1458321132
Please download from the App Store, and install.
Img_20190620_082444

2019年6月18日 (火)

The world's hardest Sudoku "degree of difficulty" was 735.


"Sudoku Checker" of R2o Tools can check "Is it a question that you can solve your own sudoku puzzle?"
At that time, the tool calculates the "degree of difficulty" by the calculation method of its own.

When examining the question of "the world's hardest sudoku" found by network search, the "degree of difficulty" was 735.
https://www.kristanix.com/sudokuepic/worlds-hardest-sudoku.php
(See photo)

It was quite a difficult task.
As expected, it is the world's hardest.

"Sudoku Checker" is a free app that works on iPhone / iPad.
Download it from App Store and use it.
Img_20190618_200055

2019年6月16日 (日)

Sudoku Checker: Case study: @15npken's advanced questions

We introduce the verification case of the actual question by "Sudoku Checker".
Sudoku Cheker is a handy tool to verify if a question is a "solvable question" or not when you create a Sudoku.

When verifying the question of 2019/6/15 of @15npken's Twitter
The "degree of difficulty" was 261.
(Thank you for verifying it)

According to the Twitter, the question was "You can solve it without using the hypothesis method." However, the R2o-style handy tool "Sudoku Checker" used to be the number of difficulty levels using the hypothesis method. I am keenly aware that there is still room for improvement.

Sudoku Checker is a free smartphone app.
Download from the App Store and install.
Img_20190616_125910

2019年6月14日 (金)

The world's hardest sudoku had 734 difficulties.

"Sudoku Checker", an R2o convenient tool, is a tool to check whether a self-made Sudoku® puzzle can be solved.
The tool calculates the "degree of difficulty" in a unique way during verification.

As a result of examining the question of "World's hardest sudoku the world's hardest sudoku" searched on the network, the "degree of difficulty" was 734.
It was quite a difficult task.
There is something about the world's hardest.

"Sudoku Checker" is a free app that works on iPhone / iPad.
Download from the App and use it.
Img_20190613_135705